179 lines
13 KiB
Plaintext
179 lines
13 KiB
Plaintext
---
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title: EuropeanCallDelta (v0.26)
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description: API reference for qiskit.finance.components.uncertainty_problems.EuropeanCallDelta in qiskit v0.26
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in_page_toc_min_heading_level: 1
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python_api_type: class
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python_api_name: qiskit.finance.components.uncertainty_problems.EuropeanCallDelta
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---
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<span id="qiskit-finance-components-uncertainty-problems-europeancalldelta" />
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# qiskit.finance.components.uncertainty\_problems.EuropeanCallDelta
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<Class id="qiskit.finance.components.uncertainty_problems.EuropeanCallDelta" isDedicatedPage={true} github="https://github.com/qiskit-community/qiskit-aqua/tree/stable/0.9/qiskit/finance/components/uncertainty_problems/european_call_delta.py" signature="EuropeanCallDelta(uncertainty_model, strike_price, i_state=None, i_objective=None)" modifiers="class">
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The European Call Option Delta.
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Evaluates the variance for a European call option given an uncertainty model. The payoff function is f(S, K) = max(0, S - K) for a spot price S and strike price K.
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Constructor.
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**Parameters**
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* **uncertainty\_model** (`UnivariateDistribution`) – uncertainty model for spot price
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* **strike\_price** (`float`) – strike price of the European option
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* **i\_state** (`Union`\[`List`\[`int`], `ndarray`, `None`]) – indices of qubits representing the uncertainty
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* **i\_objective** (`Optional`\[`int`]) – index of qubit for objective function
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### \_\_init\_\_
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<Function id="qiskit.finance.components.uncertainty_problems.EuropeanCallDelta.__init__" signature="__init__(uncertainty_model, strike_price, i_state=None, i_objective=None)">
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Constructor.
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**Parameters**
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* **uncertainty\_model** (`UnivariateDistribution`) – uncertainty model for spot price
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* **strike\_price** (`float`) – strike price of the European option
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* **i\_state** (`Union`\[`List`\[`int`], `ndarray`, `None`]) – indices of qubits representing the uncertainty
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* **i\_objective** (`Optional`\[`int`]) – index of qubit for objective function
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</Function>
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## Methods
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| ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------ | --------------------------------------------------------------------- |
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| [`__init__`](#qiskit.finance.components.uncertainty_problems.EuropeanCallDelta.__init__ "qiskit.finance.components.uncertainty_problems.EuropeanCallDelta.__init__")(uncertainty\_model, strike\_price\[, …]) | Constructor. |
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| [`build`](#qiskit.finance.components.uncertainty_problems.EuropeanCallDelta.build "qiskit.finance.components.uncertainty_problems.EuropeanCallDelta.build")(qc, q\[, q\_ancillas, params]) | Adds corresponding sub-circuit to given circuit |
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| [`build_controlled`](#qiskit.finance.components.uncertainty_problems.EuropeanCallDelta.build_controlled "qiskit.finance.components.uncertainty_problems.EuropeanCallDelta.build_controlled")(qc, q, q\_control\[, …]) | Adds corresponding controlled sub-circuit to given circuit |
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| [`build_controlled_inverse`](#qiskit.finance.components.uncertainty_problems.EuropeanCallDelta.build_controlled_inverse "qiskit.finance.components.uncertainty_problems.EuropeanCallDelta.build_controlled_inverse")(qc, q, q\_control\[, …]) | Adds controlled inverse of corresponding sub-circuit to given circuit |
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| [`build_controlled_inverse_power`](#qiskit.finance.components.uncertainty_problems.EuropeanCallDelta.build_controlled_inverse_power "qiskit.finance.components.uncertainty_problems.EuropeanCallDelta.build_controlled_inverse_power")(qc, q, …\[, …]) | Adds controlled, inverse, power of corresponding circuit. |
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| [`build_controlled_power`](#qiskit.finance.components.uncertainty_problems.EuropeanCallDelta.build_controlled_power "qiskit.finance.components.uncertainty_problems.EuropeanCallDelta.build_controlled_power")(qc, q, q\_control, power) | Adds controlled power of corresponding circuit. |
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| [`build_inverse`](#qiskit.finance.components.uncertainty_problems.EuropeanCallDelta.build_inverse "qiskit.finance.components.uncertainty_problems.EuropeanCallDelta.build_inverse")(qc, q\[, q\_ancillas]) | Adds inverse of corresponding sub-circuit to given circuit |
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| [`build_inverse_power`](#qiskit.finance.components.uncertainty_problems.EuropeanCallDelta.build_inverse_power "qiskit.finance.components.uncertainty_problems.EuropeanCallDelta.build_inverse_power")(qc, q, power\[, q\_ancillas]) | Adds inverse power of corresponding circuit. |
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| [`build_power`](#qiskit.finance.components.uncertainty_problems.EuropeanCallDelta.build_power "qiskit.finance.components.uncertainty_problems.EuropeanCallDelta.build_power")(qc, q, power\[, q\_ancillas]) | Adds power of corresponding circuit. |
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| [`get_num_qubits`](#qiskit.finance.components.uncertainty_problems.EuropeanCallDelta.get_num_qubits "qiskit.finance.components.uncertainty_problems.EuropeanCallDelta.get_num_qubits")() | returns number of qubits |
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| [`get_num_qubits_controlled`](#qiskit.finance.components.uncertainty_problems.EuropeanCallDelta.get_num_qubits_controlled "qiskit.finance.components.uncertainty_problems.EuropeanCallDelta.get_num_qubits_controlled")() | returns number of qubits controlled |
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| [`required_ancillas`](#qiskit.finance.components.uncertainty_problems.EuropeanCallDelta.required_ancillas "qiskit.finance.components.uncertainty_problems.EuropeanCallDelta.required_ancillas")() | returns required ancillas |
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| [`required_ancillas_controlled`](#qiskit.finance.components.uncertainty_problems.EuropeanCallDelta.required_ancillas_controlled "qiskit.finance.components.uncertainty_problems.EuropeanCallDelta.required_ancillas_controlled")() | returns required ancillas controlled |
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| [`value_to_estimation`](#qiskit.finance.components.uncertainty_problems.EuropeanCallDelta.value_to_estimation "qiskit.finance.components.uncertainty_problems.EuropeanCallDelta.value_to_estimation")(value) | value to estimate |
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## Attributes
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| ----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- | ----------------------------------- |
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| [`num_target_qubits`](#qiskit.finance.components.uncertainty_problems.EuropeanCallDelta.num_target_qubits "qiskit.finance.components.uncertainty_problems.EuropeanCallDelta.num_target_qubits") | Returns the number of target qubits |
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### build
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<Function id="qiskit.finance.components.uncertainty_problems.EuropeanCallDelta.build" signature="build(qc, q, q_ancillas=None, params=None)">
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Adds corresponding sub-circuit to given circuit
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**Parameters**
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* **qc** ([*QuantumCircuit*](qiskit.circuit.QuantumCircuit "qiskit.circuit.QuantumCircuit")) – quantum circuit
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* **q** (*list*) – list of qubits (has to be same length as self.\_num\_qubits)
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* **q\_ancillas** (*list*) – list of ancilla qubits (or None if none needed)
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* **params** (*list*) – parameters for circuit
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</Function>
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### build\_controlled
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<Function id="qiskit.finance.components.uncertainty_problems.EuropeanCallDelta.build_controlled" signature="build_controlled(qc, q, q_control, q_ancillas=None, use_basis_gates=True)">
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Adds corresponding controlled sub-circuit to given circuit
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**Parameters**
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* **qc** ([*QuantumCircuit*](qiskit.circuit.QuantumCircuit "qiskit.circuit.QuantumCircuit")) – quantum circuit
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* **q** (*list*) – list of qubits (has to be same length as self.\_num\_qubits)
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* **q\_control** ([*Qubit*](qiskit.circuit.Qubit "qiskit.circuit.Qubit")) – control qubit
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* **q\_ancillas** (*list*) – list of ancilla qubits (or None if none needed)
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* **use\_basis\_gates** (*bool*) – use basis gates for expansion of controlled circuit
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</Function>
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### build\_controlled\_inverse
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<Function id="qiskit.finance.components.uncertainty_problems.EuropeanCallDelta.build_controlled_inverse" signature="build_controlled_inverse(qc, q, q_control, q_ancillas=None, use_basis_gates=True)">
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Adds controlled inverse of corresponding sub-circuit to given circuit
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**Parameters**
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* **qc** ([*QuantumCircuit*](qiskit.circuit.QuantumCircuit "qiskit.circuit.QuantumCircuit")) – quantum circuit
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* **q** (*list*) – list of qubits (has to be same length as self.\_num\_qubits)
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* **q\_control** ([*Qubit*](qiskit.circuit.Qubit "qiskit.circuit.Qubit")) – control qubit
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* **q\_ancillas** (*list*) – list of ancilla qubits (or None if none needed)
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* **use\_basis\_gates** (*bool*) – use basis gates for expansion of controlled circuit
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</Function>
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### build\_controlled\_inverse\_power
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<Function id="qiskit.finance.components.uncertainty_problems.EuropeanCallDelta.build_controlled_inverse_power" signature="build_controlled_inverse_power(qc, q, q_control, power, q_ancillas=None, use_basis_gates=True)">
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Adds controlled, inverse, power of corresponding circuit. May be overridden if a more efficient implementation is possible
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</Function>
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### build\_controlled\_power
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<Function id="qiskit.finance.components.uncertainty_problems.EuropeanCallDelta.build_controlled_power" signature="build_controlled_power(qc, q, q_control, power, q_ancillas=None, use_basis_gates=True)">
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Adds controlled power of corresponding circuit. May be overridden if a more efficient implementation is possible
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</Function>
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### build\_inverse
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<Function id="qiskit.finance.components.uncertainty_problems.EuropeanCallDelta.build_inverse" signature="build_inverse(qc, q, q_ancillas=None)">
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Adds inverse of corresponding sub-circuit to given circuit
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**Parameters**
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* **qc** ([*QuantumCircuit*](qiskit.circuit.QuantumCircuit "qiskit.circuit.QuantumCircuit")) – quantum circuit
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* **q** (*list*) – list of qubits (has to be same length as self.\_num\_qubits)
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* **q\_ancillas** (*list*) – list of ancilla qubits (or None if none needed)
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</Function>
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### build\_inverse\_power
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<Function id="qiskit.finance.components.uncertainty_problems.EuropeanCallDelta.build_inverse_power" signature="build_inverse_power(qc, q, power, q_ancillas=None)">
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Adds inverse power of corresponding circuit. May be overridden if a more efficient implementation is possible
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</Function>
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### build\_power
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<Function id="qiskit.finance.components.uncertainty_problems.EuropeanCallDelta.build_power" signature="build_power(qc, q, power, q_ancillas=None)">
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Adds power of corresponding circuit. May be overridden if a more efficient implementation is possible
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</Function>
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### get\_num\_qubits
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<Function id="qiskit.finance.components.uncertainty_problems.EuropeanCallDelta.get_num_qubits" signature="get_num_qubits()">
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returns number of qubits
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</Function>
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### get\_num\_qubits\_controlled
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<Function id="qiskit.finance.components.uncertainty_problems.EuropeanCallDelta.get_num_qubits_controlled" signature="get_num_qubits_controlled()">
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returns number of qubits controlled
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</Function>
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### num\_target\_qubits
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<Attribute id="qiskit.finance.components.uncertainty_problems.EuropeanCallDelta.num_target_qubits">
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Returns the number of target qubits
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</Attribute>
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### required\_ancillas
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<Function id="qiskit.finance.components.uncertainty_problems.EuropeanCallDelta.required_ancillas" signature="required_ancillas()">
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returns required ancillas
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</Function>
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### required\_ancillas\_controlled
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<Function id="qiskit.finance.components.uncertainty_problems.EuropeanCallDelta.required_ancillas_controlled" signature="required_ancillas_controlled()">
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returns required ancillas controlled
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</Function>
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### value\_to\_estimation
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<Function id="qiskit.finance.components.uncertainty_problems.EuropeanCallDelta.value_to_estimation" signature="value_to_estimation(value)">
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value to estimate
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</Function>
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</Class>
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